May weather forecast
Cayo Largo del Sur, Cuba

Emblematic of the onset of summer, May turns up the heat in Cayo Largo del Sur with soaring temperatures. The increment in heat ushers in frequent showers, serving to balance the overall weather conditions. As the year advances, daylight hours peak leading to extensive possibilities for outdoor enthusiasts. This contrast of climate elements in May creates a dynamic landscape throughout the town. May's noteworthy shift is its rainfall, shooting up dramatically from 46mm (1.81") in April to 143mm (5.63"), paving the way to a wetter phase of the year.

Temperature

Upon the beginning of May, Cayo Largo del Sur's high-temperatures register at a still tropical 31°C (87.8°F), closely mirroring the preceding month. Cayo Largo del Sur in May experiences a low-temperature average of 21°C (69.8°F).

Rainfall

In Cayo Largo del Sur, in May, during 10 rainfall days, 143mm (5.63") of precipitation is typically accumulated. Throughout the year, there are 123 rainfall days, and 1190mm (46.85") of precipitation is accumulated.

Sea temperature

In May, the average sea temperature is 28°C (82.4°F).
Note: Water surface temperatures from 25°C (77°F) to 29°C (84.2°F) are considered optimal and extremely delightful for long-lasting pleasure in any water activity.

Daylight

The average length of the day in May is 13h and 11min.
On the first day of May in Cayo Largo del Sur, sunrise is at 06:54 and sunset at 19:51. On the last day of the month, sunrise is at 06:43 and sunset at 20:04 CDT.

Sunshine

In May, the average sunshine is 8h.

UV index

The months with the highest UV index are April through August, with an average maximum UV index of 12. A UV Index estimate of 11, and higher, represents an excessive health risk from exposure to the Sun's UV radiation for the average person.
Note: In May, the maximum UV index of 12 suggests this advice:
Put into effect every precaution of importance, unprotected skin and eyes may get burns swiftly. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Every two hours, apply and reapply an SPF 30+ broad-spectrum sunscreen, especially after swimming or engaging in outdoor activities. Be wary! Reflections from sand and water make UV radiation more intense.